394504002 has 12 divisors (see below), whose sum is σ = 854758710. Its totient is φ = 131501328.

The previous prime is 394504001. The next prime is 394504021. The reversal of 394504002 is 200405493.

It can be written as a sum of positive squares in only one way, i.e., 336759201 + 57744801 = 18351^2 + 7599^2 .

It is not an unprimeable number, because it can be changed into a prime (394504001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10958427 + ... + 10958462.

Almost surely, 2^394504002 is an apocalyptic number.

394504002 is an abundant number, since it is smaller than the sum of its proper divisors (460254708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394504002 is a wasteful number, since it uses less digits than its factorization.

394504002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21916897 (or 21916894 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 394504002 is about 19862.1248108051. The cubic root of 394504002 is about 733.4161535021.

Adding to 394504002 its reverse (200405493), we get a palindrome (594909495).

The spelling of 394504002 in words is "three hundred ninety-four million, five hundred four thousand, two".